Mining machine



Feb. 21, 1928.

E. c. MORGAN MINING MACHINE Filed Oct 23, 1922 2 Sheets-Sheet lfldezzi'or; N mad 6.1%);9072 5 Q'Z Feb. 21, 1928. 1,660,083

E. C. MORGAN MINING MACHINE Filed Oct. 25,1922 2 Sheets-SheetIIITTTWTETWTITWIE lllill/lm 55 4g ,jkdeizzvz? ZZZ/mind C 1255942 ilkwhich an electric motor 35 is Patented Feb. 21, 1928.

UNITED STA S .C MORGAN, OF NEW YORK,

SAID EDMUND N. Y.'; OLIVE EUGENIE MORGAN EXEGUITRIX or.

c. MORGAN, DECEASED.

MINING MACHINE.

Original application filed. April 24, 1916, Serial No. 93,0518.

Divided and this application filed October 23,

1922. Serial No. 596,214

This invention relates to machines for mining coal and other similarsubstances and has for its object he provision of a device of thecharacter named which shall be of improved construction and moreefficient and economical in operation than devices heretofore known.

The present invention is a division of my copending application SerialNo. 93,048, filed April 24, 1916, for an improvement in mining machines.

Other objects of the invention will appear hereinafter, the novelfeatures and combinations being pointed out in the appended claims.

In the accompanying drawings,

Fig. 1 is an elevational view of my improved mining machine;

Fig. 2 is a sectional plan view taken on the line 22 of Fig. l andenlarged; and

Fig. 3 is a sectional elevational view taken on the line 33 of Fig. 1,looking in the direction of the arrows.

In the drawings the number 20 designates the. main base plate, whichmaybe of any size or dimensions or weight desirable for carrying theapparatusduring its operation. This plate 20 is provided at its forwardend with an xtension 23 having a standard 24: projecting upwardlytherefrom and secured to the plate by means of cap screws 25, (Fig. l).The standard 2t carries a pair of pivot bolts 26 and 27, which projectfrom the standard at opposite sides thereof to form pivotal supports forthe swinging; arms 28 and 29, there being a pair of arms 28 supported onthelower bol 26 and a second pair of arms 29 supported on the upper bolt27. The arms 28 and 29 are pivoted at the forward ends on pivot bolts3:30 and 31 re spectively, which are carried by a link 2-3 extendingbetween the pivot bolt. ill and i151 and holding the latter in fixedrelation to one another. By means of this consia vertically swinging armis provided wh ch constitutes a parallel motion device, arranged to holdthe link 32 in a vertical position regardless of the angle of theswinging arm.

The arms 28 are connected near the pivot 26 by a plate 32 secured to theinner side of each arm by means of cap screws 34. The plate 33constitutes a platform on mounted connected bya worm and worm wheelenclosed in the casing 36, with a shaft STmounted in journals carried bythe arms 28. The shaft 37 has secured which mesh with the teeth ofarcuate racks l secured to the base plate 23' and projecting upwardlytherefrom as shown in Fig. l The oper t'on of the motor drives thepinions 3 9 and thus effects swinging of the arms 28 and 29 upwardlyanddownwardly about their pivots 2G and 27 the direction of the pivotalmovement ofthe arms 28 and 22 depending upon the direction of rotationof the motor 35. This motor is governed by one of a series ofcontrollers, which are connected with the various motors for dri ine thedifferent parts of themachine, and such controllers are arranged togovern both the speed and direction of rotation of the motors which theyrespectively. control.

The cutter headfor severing the mate rial from the mine vein is carriedby the link 32. Projecting. forwardly in a horizontal direction on aline with the lower portion of the arm 28 and rigidly connected to thelink 32 preferably by being made intogral therewith is a supportingbracket which is extended laterally to form a circular ack 43 which isrigid with the bracket The center of the rack 43 is provided with anopening in which a bolt 44- is journalcd for rotation, as shown in Fig.This bolt is held in place by a nut 45, and the upper end of the boltpasses through a yoke member 46, which is arranged to rotate with thebolt 4L4 about the axis formed by the bearing of the bolt in the bracket42. The bolt at is provided with a rim or head L7, which securely holdsthe yoke 46 in place. The lower member of the yoke s6 is extendedlaterally, as shown in Fig. 3, to form a supporting platform or table48, on which is mounted an electric motor 49 for operating the mechanismon thecutter head. At the forward end of the platform l8 the yoke 46 iscontinued forwardly to form the lower run 50 of a loop chaincore-cuttenwhich has an unobstructed core opening therethrough. The arm5.0 of the cutter frame is'olfset downwardly from the level of theplatform 48, as shown in, Fig. l. The connecting bar 1projects upwardlyfrom the arm and is connectedat its upper end with the upper cutterframe bar 52. As shown in Fig. 3,

thereto a pair of pinions'39,

the upper member 03 of the yoke 46 is secured to a bracket 55, whichextends forwardly from the upper end of the link 32, being rigidlyconnected to the latter.

The arm 53 is held for pivotal movement relatively tothe bracket 55 bymeans of a bolt 58, which is journaled in the bracket and held in placeby a nut 57. The lower end of the bolt 56 is provided with a flange orhead 58 which holds the arm 53 in place relative to the bracket 55. Thebolts 4: 1 and 56 are in axial alignment with one another and togetherconstitute the pivot about which the yoke 46 swings horizontally. Thebracket 55 is extended laterally to form a circular plate 60 having adown-turned flange 61 at its periphery provided with internal rack teeth62, forming a circular rack. In the present application, I have showntwo chain cutters so that feeding may be effected for cutting purposesin both directions of arcuate swinging movement of the cuttingmechanism, the latter being driven by one motor and fed arcuately by asepa rate motor.

As shown in Fig. 2, a pair of cutter chains 170 is provided, one cutterchain at each side of the cutter frame 171, the latter being thevertical length of the loop chain core-cutter and connected to the lowerlength 50 and the upper length 52 to form continuations of the latter asshown in Fig. 1. The endless chain cutters 170 are operated by sprocketwheels 172 mounted on the shaft 173 journaled in bearings 17% supportedon the lower arm 175 of the yoke 46. The shaft 173 is driven by a spurgear 176, which meshes with a pinion 177 driven by the motor 19.

The yoke 46 is rotated about its vertical axis 179 by means of anelectric motor 180, also supported on the platform 18, and arranged todrive a worm 181 which meshes with a worm wheel 182. The latter isrigidly connected to a pinion 183, which meshes with the fixed circularrack 43 secured to the lower bracket 12 of the link 02.

13y means of this construction, since the rotation of the cutter frameis accomplished by a motor independent of the motor which drives thechains, it is evident that the rela tive speed of the feed and of thedriving of the cutter chains may be varied to comply with variousconditions of operation. Also the cutter may be made to operate whilethe cutter frame is being fed in either direction.

This may be an advantage under some conditions, since it enables theoperator to make a cut during both the forward and return movement ofthe cutter frame. In this way a cut may be made at one level and whilethe cutter frame is being fed in one direction, and the cutter head maythen be raised or lowered to a different level and. a second cut madeduring the return movement of motor 180 is a series wound electricmotor. 7

At the same time the speed of driving the cutter chains may bemaintained until the hard substance has been cut through. When a singlemotor is used for both driving the chain and for feeding it, the slowingdown of the feed will also slow down the driving of the chain.

In operation, the machine may be located in a mine chamber as shown inFig. 1 and the lower cut made across the mine wall. The motor 35 maythen be operated to' lift the cutting mechanism to the position shown inFig. 1, and another cut made across the mine wall by feeding movement inthe opposite direction, so as to use the chain cutter on the oppositeside of the cutter frame. After this intermediate cut across the minewall has been completed, the motor 35 may again be operated to adjustthe kerfcutting mechanism to make the out along the roof. It should beparticularly noted that by reason of the parallel motion mechanism thefloor kerf and the roof kerf will be in horizontally spaced apartparallel planes. It is desirable to have a uniformly level floor tofacilitate forward movement of the mining machine to a new location andto facilitate the locating and the operating of loading apparatus. Theadjustments enable the apparatus to readily remove coal from veins ofvarying thicknesses whether the vein pitches upwardly or downwardlyeither at the floor or at the roof. Vlhile a flat floor is moredesirable than a flat roof, a flat roof is in some instances desired onaccount of facilitating the use of certain kinds of roof props.

Obviously those skilled in the art may make various changes in thedetails and arrangcn'ient of parts without departing from the spiritandv scope of my invention as defined by the claims hereto appended, andI wish therefore not to be restricted to the precise construction hereindisclosed.

Having thus fully disclosed an embodiment of n'iyinventio-n, whatl claimanddesire to have secured by Letters Patent of the United States, is:

1. In a mining machine. the combination with a supporting frame, of aloop-shaped core cutter, means for feeding saidcutter in differentdirections, means carried by said cutter, and operable for severingmaterial in either direction of movement of said cutter, and means foradjusting said cutter as a whole relatively to said frame into differentcutting positions.

2. In a mining machine, the combination with the supporting frame, of acutter support, a loop core-cutter frame carried by aid. cutter support,means for adjustin said cutter support, together with the entirecore-cutter frame relative-to said supporting frame .to differentcutting positions, means for moving said loop core cutter-frame inopposite directions, and mechanism carried by said cutter-frame forsevering material during movement of said cutter support in either ofsaid opposite'directions.

8. In a mining machine, the combination with a cutter-head frame havingupper and lower spaced-apart arms, of a yoke pivoted between said armsfor movement on an upright axis, a loop chain core-cutter having anunobstructed core opening therethrough and mounted on said yoke formovement therewith, means carried by said yokefor effecting feedingmovement of said loop chain core-cutter in opposite directions, andmeans connected to said cutter-head frame for adjusting the elevation ofsaid loop chain core-cutter in its entirety.

4. In a mining machine, the combination with a supporting frame, ofdouble loop chain core-cutting mechanism adapted to cut a core in eitherdirection of feeding movement, means for mounting said cutting mechanismon said supporting frame for adjustment in elevation relative thereto,means for feeding said cutting mechanism in opposite directions, andmeans fordriving saio cutting mechanism toeffect the cutting of a coreduring such feeding movement in either direction.

5. In a mining machine, the combination with a supportingframe, of aloop-shaped core-cutter having an unobstructed coreopening thcrethrough,means for mounting said corecutter on said supporting frame foradjustment in elevationrelative thereto, means for feeding saidcore-cutter in opposite directions, and means for driving saidcorecutter to effect severing of material during such feeding movementin either direction. r

(i. In a mining machine, the coml'iination with a supporting frame,'of aloop-shaped chain core-cutter, means for carrying said core-cutter onsaid frame for adjustment in elevation relative thereto, saidcore-cutter comprising a cutter frame having an unobstructedcore-opening therethrough with chain cutters on opposite edgesof saidcutter f2 .mc surrounding said core-opening, means for feeding saidcore-cutter in opposite clirections, and means for driving said chaincutters to sever material during feeding movement of said. core-cutterin either direction.

7. In a mining machine, the combination with a supporting frame, ofcore-cutting mechanism having upper and lower runs rectilinear inelevation and comprising opposite chain cutters to cut during oppositefee-ding movements, and means for adjusting holding the entirecore-cutter relatively to said frzune to secure the cutting of a planel-zerf at the floor of the mine chamber in one operation in eitherdirection of feeding movement and the cutting of a plane roof hcrf inanother operation in either direction.

- 8. In amining machine, the combination with a supporting frame, of aloop-shape fl cutter frame having an unobstructed co e-- openingtherethrough, a pair of chain cutters one at one'edgeof said cutterframe and the other at the other edge thereof, means for supporting saidcutter frame and chain cutters for adjustment as a whole in ele vationrelative to salt supporting frame,

and means for operating said chain cutters ttOCflt in either directionof movement of said cutter frame. I

9. In a mining machine, supporting frame, a cutter-head thereon, meansor holding said cutter-head in one position relative to said frame whilea cut is be ig made, a loop cutter carried by said cutterhead andmovable thereon in one direction during the melting of said cut, meansfor g 'd cutter-head in a second po ition relative to said frame, and mior operating said cutter in the opposite direc tien while saidcutter-head is in said second position for makinga second cut.

10. In a mining machine, the combination with .a support, of acutter-frame pivoted thereto, a chain cutter on said cutter-fr c anelectric motor mounted on the cutterframe for driving said chain cutter,and a separate electric motor mounted on said cutter-frame and connectedto said support teinove the cutter 'rame relatively to said support toeffect feeding of said chain. cutter.

11. In a mining machine, the combination with a support, of acutter-frame pivoted thereto, a chain cutter on said cutter-frame,

means comprising an'clcctric motor mounted on said cutter-frame fordriving said chain cutter, an independent self-contained power-,o-perated 'illGCllLlHlSlil; comprising a separ electric motor mountcdon said cutter-frame andconnected to said sun ort to swin said operationin opposite directions of feeding movement respectively, a supplementalframe mounted on said supporting frame for feeding movement relativethereto, means :or

mounting said cutte frame on said supplemental frame for bodily movementtherewith, means on said supplemental frame for til) driving said chaincutters, and means separate from said driving means for feeding saidchain cutters in opposite directions.

13. In a mining machinc, the combination with core-cutting mechanismhaving an unobstructed core opening therethrough and capable of cuttingin reverse directions of feeding movement, a swinging frame forsupportingsaid core-cutting mechanism, a motor mounted on said swingingframe, means connected between said motor and said core-cuttingmechanism for actuating the latter, a separate motor mounted on saidswinging frame, frame for pivotally supporting said swinging frame, andgearing connected between said second-named motor and said supportingframe for effecting the feeding of said Core-cutting mechanism inreverse directions.

14.. In a mining machine, the combination with a supporting frame havingspacedapart arms, of a supplemental frame journaied to said arms andbetween the same for arcuate movement relative to said supporting frame,a chain cutter frame having an unobstructed core-opening therethroughand mounted on said supplemental frame for bodily movement therewith,cutter chains carried by said cutter frame on opposite sides thereof,driving sprocket mechanism for said chains and mounted on saidsupplemental frame, means on said supplemental frame for driving saidcutter chains, and means mounted partly on said supporting frame andpartly 011 said supplemental frame for feeding the cutter chains inopposite directions.

15. In mining machine, the combination with a double loop chain corecutter for operation in opposite directions of feeding movement, a framefor supporting said corecutter, a second frame for pivotally supporting,said first-named frame, means mounted on said first-named frame foractuating said core-cutter, a motor mounted on said first named framefor driving said actuating means, a second motor mounted on saidfirstnamed frame, and gearing partly mounted on said first-named framefor feeding said core-cutter in reverse directions. 7

16. in a mining machine,"the combination with core-cutting mechanismhaving an unobstructed core opening therethrough, and capable of cuttingcores in reverse directions of feeding movement, of a frame forsupporting said core-cutting mechanism, a second frame for carrying saidfirst-named frame for pivotal movement on an upright axis means forfeeding said core-cuttin 7 L (J mechanism in reverse directions, andap-' paratus for moving said second-named frame up or down together withsaid first-named frame while maintaining said first-named frame on anupright axis. I

17. In a mining machine, the combination with a main frame, ofspaced-apart links pivoted at their rear ends in vertical alignment tosaid main frame, a cutter-head having pivotal connections in verticalalignment with the forward ends of said links, a loop chain core-cutterframe having an unobstructed core opening therethrough, and mounted forpivotal movement on an upright axis on said cutter-head, chain cuttersmounted on opposite sides of said core-cutter frame, means mounted onsaid core-cutter frame for actuating both of said chain cutters, meansmounted partly on said chain cutter frame and partly on said cutter headfor effecting reverse feeding movements of said chain cutter frame, andmeans connected to an intermediate portion of one of said links foradjusting the elevation of'said cutterhead and the elevation of thechain-cutters.

18. In a mining machine, the combination with a supporting frame, ofcore-cutting mechanism having means for cuttingin reverse directions,including spaced-apart parallel planes both of which are substantiallyhorizontal, of a cutter-head for pivotally supporting said cuttingmechanism on a substantially upright axis, means for operating saidcutting mechanism including the feed thereof in reverse directions,means for supporting said cutter-head together with said cuttingmechanism in various positions relative to said supporting frame whilemaintaining said axis upright and the spaced apart cutting planesaforesaid substantially horizontal, and means for adjusting theelevation of said cutter-head and holding the same at adjustedelevations relatively to said frame.

19. In a mining machine, a loop-shaped core-cutter, means for feedingsaid cutter in different directions, means carried by said cutter andoperable for severing material in either directionof movement of saidcutter,

and means for adjusting said cutter as a whole into different cuttingpositions.

20. In a mining machine, a cutter-head, a looped core-cutter carrier onsaid cutterhead, means for adjusting said cutter-head together with theentire core-cutter to different cutting positions, means for moving saidcutter in opposite directions, and mechanism carried by said cutter forsevering material during movement of said cutter in either of saidopposite directions; i

In testimony whereof I have signed my name to this specification on this19th day of October, A. D. 1922.

EDMUND o MonGAN

